Dryopteris villosa var. opaca Hieron. Hedwigia 46: 347. 1907

Nomenclatural References

• literature : Hedwigia 46: 347. 1907 BHL link from IPNI metadata.
• person : Georg Hans Emmo Wolfgang Hieronymus (1846-1921) Based on occurrence of standard abbreviation 'Hieron.' in the authors string.
• database : IPNI record: 85469-2